package cn.tedu.csmall.product.web;

import cn.tedu.csmall.product.ex.ServiceException;
import io.swagger.annotations.ApiModelProperty;
import lombok.Data;

import java.io.Serializable;

@Data
public class JsonResult<T> implements Serializable {
    /**
     * 操作结果的状态码（状态标识）
     */
    @ApiModelProperty("业务状态码")
    private Integer state;
    /**
     * 操作失败时的提示文本
     */
    @ApiModelProperty("提示文本")
    private String message;
    /**
     * 操作成功时响应的数据
     */
    @ApiModelProperty("响应数据")
    private T data;

    public static JsonResult<Void> ok(){
        return ok(null);
    }

    public static<T> JsonResult<T> ok(T data){
        JsonResult<T> jsonResult = new JsonResult<>();
        jsonResult.state = ServiceCode.OK.getValue();
        jsonResult.data = data;
        return jsonResult;
    }

    public static JsonResult<Void> fail(ServiceException e){
        return fail(e.getCode(),e.getMessage());
    }

    public static JsonResult<Void> fail(ServiceCode serviceCode, String message){
        JsonResult<Void> jsonResult = new JsonResult<>();
        jsonResult.state = serviceCode.getValue();
        jsonResult.message = message;
        return jsonResult;
    }
}
